Kettlebell



FIG. 1 is a top, front perspective view of a kettlebell showing the claimed design;

FIG. 2 is a top view of the kettlebell;

FIG. 3 is a front view of the kettlebell, the rear view being a mirror image thereof;

FIG. 4 is a right side view of the kettlebell, the left side view being a mirror image thereof; and,

FIG. 5 is a bottom view of the kettlebell. 

CLAIM The ornamental; design for a kettlebell, as shown and described. 